package com.bml.architect;

import java.util.concurrent.CompletableFuture;

public interface DemoService {

    String sayHello(String name);
   default String sayHello1(String name){
        return null;
    };

    default CompletableFuture<String> sayHelloAsync(String name){
        return null;
    }

    default String sayHello(String name,String key,DemoListener listener){
        return null;
    }


}
